Quote:
Originally Posted by Lug
Bolt ons have gotten much better results than 15 hp so far. Some have gotten 15 hp by just changing to HFC's. HFC's, Catback and cold air intake should take you to at least a 25 to 35 hp gain if not more.
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if HFCs gave nice results, how about catdeletes/test pipes? I assume atleast similar or even more? the downside is that I have to leave my car at the shop for at least 2 days for a catdelete.
thanks for the info, btw.